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(window.webpackJsonp=window.webpackJsonp||[]).push([[54],{381:function(t,s,a){"use strict";a.r(s);var e=a(17),n=Object(e.a)({},(function(){var t=this,s=t._self._c;return s("ContentSlotsDistributor",{attrs:{"slot-key":t.$parent.slotKey}},[s("h3",{attrs:{id:"getcurrentpages"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#getcurrentpages"}},[t._v("#")]),t._v(" getCurrentPages()")]),t._v(" "),s("p",[s("code",[t._v("getCurrentPages()")]),t._v(" 函数用于获取当前页面栈的实例，以数组形式按栈的顺序给出，第一个元素为首页，最后一个元素为当前页面。")]),t._v(" "),s("p",[s("strong",[t._v("注意：")]),t._v(" "),s("code",[t._v("getCurrentPages()")]),t._v("仅用于展示页面栈的情况，请勿修改页面栈，以免造成页面状态错误。")]),t._v(" "),s("p",[t._v("每个页面实例的方法属性列表：")]),t._v(" "),s("table",[s("thead",[s("tr",[s("th",[t._v("方法")]),t._v(" "),s("th",[t._v("描述")]),t._v(" "),s("th",[t._v("平台说明")])])]),t._v(" "),s("tbody",[s("tr",[s("td",[t._v("page.$getAppWebview()")]),t._v(" "),s("td",[t._v("获取当前页面的webview对象实例")]),t._v(" "),s("td",[t._v("5+App")])]),t._v(" "),s("tr",[s("td",[t._v("page.route")]),t._v(" "),s("td",[t._v("获取当前页面的路由")]),t._v(" "),s("td")])])]),t._v(" "),s("p",[t._v("Tips：")]),t._v(" "),s("ul",[s("li",[s("code",[t._v("navigateTo")]),t._v(", "),s("code",[t._v("redirectTo")]),t._v(" 只能打开非 tabBar 页面。")]),t._v(" "),s("li",[s("code",[t._v("switchTab")]),t._v(" 只能打开 "),s("code",[t._v("tabBar")]),t._v(" 页面。")]),t._v(" "),s("li",[s("code",[t._v("reLaunch")]),t._v(" 可以打开任意页面。")]),t._v(" "),s("li",[t._v("页面底部的 "),s("code",[t._v("tabBar")]),t._v(" 由页面决定，即只要是定义为 "),s("code",[t._v("tabBar")]),t._v(" 的页面，底部都有 "),s("code",[t._v("tabBar")]),t._v("。")]),t._v(" "),s("li",[t._v("不能在 "),s("code",[t._v("App.vue")]),t._v(" 里面进行页面跳转。")])]),t._v(" "),s("h3",{attrs:{id:"getappwebview"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#getappwebview"}},[t._v("#")]),t._v(" $getAppWebview()")]),t._v(" "),s("p",[s("code",[t._v("uni-app")]),t._v(" 在 "),s("code",[t._v("getCurrentPages()")]),t._v("获得的页面里内置了一个方法 "),s("code",[t._v("$getAppWebview()")]),t._v(" 可以得到当前webview的对象实例，从而实现对 webview 更强大的控制。在 html5Plus 中，plus.webview具有强大的控制能力，可参考："),s("a",{attrs:{href:"http://www.html5plus.org/doc/zh_cn/webview.html#plus.webview.WebviewObject",target:"_blank",rel:"noopener noreferrer"}},[t._v("WebviewObject"),s("OutboundLink")],1),t._v("。")]),t._v(" "),s("p",[t._v("但"),s("code",[t._v("uni-app")]),t._v("框架有自己的窗口管理机制，请不要自己创建和销毁webview，如有需求覆盖子窗体上去，请使用"),s("a",{attrs:{href:"/api/window/subNVues"}},[t._v("原生子窗体subNvue")]),t._v("。")]),t._v(" "),s("p",[s("strong",[t._v("注意：此方法仅 5+app 支持")])]),t._v(" "),s("p",[s("strong",[t._v("示例：")])]),t._v(" "),s("p",[t._v("获取当前页面 webview 的对象实例")]),t._v(" "),s("div",{staticClass:"language-javascript extra-class"},[s("pre",{pre:!0,attrs:{class:"language-javascript"}},[s("code",[s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("export")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("default")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token 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punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\nconsole"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("currentWebview"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("id"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("//获得当前webview的id")]),t._v("\nconsole"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("currentWebview"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("isVisible")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("//查询当前webview是否可见")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// #endif")]),t._v("\n")])])]),s("p",[t._v("uni-app自带的web-view组件，是页面中新插入的一个子webview。获取该对象的方法见："),s("a",{attrs:{href:"https://ask.dcloud.net.cn/article/35036",target:"_blank",rel:"noopener noreferrer"}},[t._v("https://ask.dcloud.net.cn/article/35036"),s("OutboundLink")],1)])])}),[],!1,null,null,null);s.default=n.exports}}]);
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